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Decomposed Granite Tons to Cubic Yards Calculator

Convert a decomposed granite tonnage into cubic yards to check coverage, capacity and storage.

Computed in your browser — nothing you enter is uploaded. Figures are presented for United States against IRC 2024, and every formula is cited under regulatory standards below.

Last verified 2026-08-26 · v1.0.0

Market
Imperial · sales tax

Approximate volume

7.14 cu yd

High confidence

About 1.4 short tons per cubic yard for decomposed granite; the fines content makes it compact tightly. The inverse of the volume-to-weight figure. Compare against the compacted or settled requirement, not the loose delivered figure.

Conversion factor applied
0.71 cu yd per short tons

A decomposed granite tonnage converts to a smaller volume than most decorative aggregates because of its density, and less again once compacted. The material's weakness is water: uncompacted or poorly drained, it erodes and channels in heavy rain, and paths on any gradient benefit from a stabiliser or a bound version. Where a firm, dust-free surface is wanted, the stabilised products cost more but avoid the tracking that loose fines cause indoors.

Add the equipment this sizes

This result is a specification — 7.143 cu yd — not a quantity. Put the thing it sizes into your project: how many, what you call it, and your supplier’s price.

Preliminary estimate, not certified engineering. This tool produces an indicative quantity calculation for planning purposes only — it is not a certified structural analysis, a guaranteed material takeoff, or a substitute for building department approval. Always verify measurements on-site and have a licensed contractor or structural engineer review any load-bearing, code-sensitive, or safety-critical work before purchasing materials or starting construction. Spotted an arithmetic or standards error? Report it to contact@craftquantities.com with your inputs — confirmed fixes become pinned regression tests.

[Schema Verified] Computed in alignment with American Concrete Institute (ACI 318-19) formulas and International Residential Code (IRC 2024) spatial boundaries.

Regulatory standards & verification citations

  • Inverse of approximately 1.4 short tons per cubic yard
  • 1 short ton = 2,000 lb; a metric tonne is about 10% heavier

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Frequently asked questions

How much will this tonnage cover?
Convert to volume and divide by the area, then reduce for compaction — decomposed granite loses appreciable volume when rolled, which is precisely what makes the surface firm.
Can it be laid over an existing path?
Only if the base is sound and drains. Laying over a soft or waterlogged base produces a surface that moves regardless of how well the top layer is compacted.
How does it compare with gravel on cost?
Usually similar per ton, but it covers less area because it is denser and compacts. The finished surface is firmer and more accessible, which is generally what justifies it.